How well can you or your students complete a simple mental math question under pressure?  This video shows a young woman losing out on the first round of Who Wants to Be a Millionaire because she couldn't calculate a simple division or multiplication questions.  Maybe this is all
something we should practice more.

This video shows a man on Who Wants to Be a Millionaire, losing $15,000 because he didn't under stand the concept of squares.  What is even funnier is the audience gave him the wrong answer as well.

This video demonstrates how functions work in regards to an input-output machine.  They demonstrate some real-world scenarios with food and how food is processed.  Each section of the video demonstrates a little more of how functions work as the equation becomes more difficult.  

This is a cute and simple song that explains what the denominator in a fraction is.  

This video explores how big a number 52! factorial is.  Just getting the exact same hand in the exact same order is almost impossible.  

This is a great video to help younger students learn or practice counting by twos.

This is a great video to help younger students learn or practice counting by threes.

This is a fun place value song for younger students. It can reinforce place value and also introduce base tens.

This is a fun song to help introduce place values and base tens to younger students.

This is a great video to help students understand how to write place values in expanded form.